namespace websocketpp
{
    typedef lib::weak_ptr<void> connection_hdl;

    template <typename config>
    class endpoint : public config::socket_type
    {
        /* 类型定义 */
        typedef lib::shared_ptr<lib::asio::steady_timer> timer_ptr;
        typedef typename connection_type::ptr connection_ptr;
        typedef typename connection_type::message_ptr message_ptr;

        typedef lib::function<void(connection_hdl)> open_handler;
        typedef lib::function<void(connection_hdl)> close_handler;
        typedef lib::function<void(connection_hdl)> http_handler;
        typedef lib::function<void(connection_hdl, message_ptr)> message_handler;

        /* 日志相关接口 */
        /* websocketpp::log::alevel::none 禁⽌打印所有⽇志*/
        void set_access_channels(log::level channels);   /*设置⽇志打印等级*/
        void clear_access_channels(log::level channels); /*清除指定等级的⽇志*/

        /*设置指定事件的回调函数*/
        /* WebSocketpp库搭建了服务器后，为不同的事件设置了不同的处理函数指针，这些指针可以指向指定的函数，
        当服务器收到了指定的数据，触发指定的事件后，就会通过相应的函数指针调用指定的函数来进行业务处理。所以，用户（程序员）就可以自己编写业务处理函数，
        并将其设置为指定事件的业务处理函数。 */
        void set_open_handler(open_handler h);       /*websocket握⼿成功 回调处理函数*/
        void set_close_handler(close_handler h);     /*websocket连接关闭 回调处理函数*/
        void set_message_handler(message_handler h); /*websocket消息处理 回调处理函数*/
        void set_http_handler(http_handler h);       /*http请求处理 回调处理函数*/

        /* 通信连接相关接口 */
        /*发送数据接⼝*/
        void send(connection_hdl hdl, std::string &payload, frame::opcode::value op);
        void send(connection_hdl hdl, void *payload, size_t len, frame::opcode::value op);
        /*关闭连接接⼝*/
        void close(connection_hdl hdl, close::status::value code, std::string &reason);
        /*获取connection_hdl 对应连接的connection_ptr*/
        connection_ptr get_con_from_hdl(connection_hdl hdl);

        /* 其他服务器搭建的接口 */
        /*websocketpp基于asio框架实现，init_asio⽤于初始化asio框架中的io_service调度
       器*/
        void init_asio();
        /*设置是否启⽤地址重⽤*/
        void set_reuse_addr(bool value);
        /*设置endpoint的绑定监听端⼝*/
        void listen(uint16_t port);
        /*对io_service对象的run接⼝封装，⽤于启动服务器*/
        std::size_t run();
        /*websocketpp提供的定时器，以毫秒为单位*/
        timer_ptr set_timer(long duration, timer_handler callback);
    };

    template <typename config>
    class server : public endpoint<connection<config>, config>
    {
        /*初始化并启动服务端监听连接的accept事件处理*/
        void start_accept(); /* 开始获取新建连接 */
    };

    template <typename config>
    class connection
        : public config::transport_type::transport_con_type,
          public config::connection_base
    {
        /*发送数据接⼝*/
        error_code send(std::string &payload, frame::opcode::value op = frame::opcode::text);
        /*获取http请求头部*/
        std::string const &get_request_header(std::string const &key);
        /*获取请求正⽂*/
        std::string const &get_request_body();
        /*设置响应状态码*/
        void set_status(http::status_code::value code);
        /*设置http响应正⽂*/
        void set_body(std::string const &value);
        /*添加http响应头部字段*/
        void append_header(std::string const &key, std::string const &val);
        /*获取http请求对象*/
        request_type const &get_request();
        /*获取connection_ptr 对应的 connection_hdl */
        connection_hdl get_handle();
    };

    namespace http
    {
        namespace parser
        {
            class parser
            {
                std::string const &get_header(std::string const &key);
            };
            class request : public parser
            {
                /*获取请求⽅法*/
                std::string const &get_method();
                /*获取请求uri接⼝*/
                std::string const &get_uri();
            };
        }
    }

    namespace message_buffer
    {
        /*获取websocket请求中的payload数据类型*/
        frame::opcode::value get_opcode();
        /*获取websocket中payload数据*/
        std::string const &get_payload();
    }

    namespace log
    {
        struct alevel
        {
            static level const none = 0x0;
            static level const connect = 0x1;
            static level const disconnect = 0x2;
            static level const control = 0x4;
            static level const frame_header = 0x8;
            static level const frame_payload = 0x10;
            static level const message_header = 0x20;
            static level const message_payload = 0x40;
            static level const endpoint = 0x80;
            static level const debug_handshake = 0x100;
            static level const debug_close = 0x200;
            static level const devel = 0x400;
            static level const app = 0x800;
            static level const http = 0x1000;
            static level const fail = 0x2000;
            static level const access_core = 0x00003003;
            static level const all = 0xffffffff;
        };
    }

    namespace http
    {
        namespace status_code
        {
            enum value
            {
                uninitialized = 0,
                continue_code = 100,
                switching_protocols = 101,
                ok = 200,
                created = 201,
                accepted = 202,
                non_authoritative_information = 203,
                no_content = 204,
                reset_content = 205,
                partial_content = 206,
                multiple_choices = 300,
                moved_permanently = 301,
                found = 302,
                see_other = 303,
                not_modified = 304,
                use_proxy = 305,
                temporary_redirect = 307,
                bad_request = 400,
                unauthorized = 401,
                payment_required = 402,
                forbidden = 403,
                not_found = 404,
                method_not_allowed = 405,
                not_acceptable = 406,
                proxy_authentication_required = 407,
                request_timeout = 408,
                conflict = 409,
                gone = 410,
                length_required = 411,
                precondition_failed = 412,
                request_entity_too_large = 413,
                request_uri_too_long = 414,
                unsupported_media_type = 415,
                request_range_not_satisfiable = 416,
                expectation_failed = 417,
                im_a_teapot = 418,
                upgrade_required = 426,
                precondition_required = 428,
                too_many_requests = 429,
                request_header_fields_too_large = 431,
                internal_server_error = 500,
                not_implemented = 501,
                bad_gateway = 502,
                service_unavailable = 503,
                gateway_timeout = 504,
                http_version_not_supported = 505,
                not_extended = 510,
                network_authentication_required = 511
            };
        }
    }

    namespace frame
    {
        namespace opcode
        {
            enum value
            {
                continuation = 0x0,
                text = 0x1,
                binary = 0x2,
                rsv3 = 0x3,
                rsv4 = 0x4,
                rsv5 = 0x5,
                rsv6 = 0x6,
                rsv7 = 0x7,
                close = 0x8,
                ping = 0x9,
                pong = 0xA,
                control_rsvb = 0xB,
                control_rsvc = 0xC,
                control_rsvd = 0xD,
                control_rsve = 0xE,
                control_rsvf = 0xF,
            };
        }
    }
}
